Preparation

In a large sauté pan cook ground sirloin until just browned. Remove from pan and set aside. Drain beef fat from pan. Add reserved bacon fat and onion to pan and sauté until onion is translucent. Add cooked beef and BBQ sauce. Reduce heat and simmer while heating potatoes.

Preparation

In a large sauté pan cook ground sirloin until just browned. Remove from pan and set aside. Drain beef fat from pan. Add reserved bacon fat and onion to pan and sauté until onion is translucent. Add cooked beef and BBQ sauce. Reduce heat and simmer while heating potatoes.
In a medium sauce pan add potatoes, bacon and cheese. Cook over low heat until heated through.
To assemble put 1/2 cup potato mixture on the bottom of each sandwich bun. Top with a generous scoop of beef mixture and place bun top over.